380  
CDCA42 TJSJ 180435  
CLIISX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1235 AM AST MON DEC 18 2023  
   
...............................
 
 
...THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE SUMMARY FOR DECEMBER 17 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1951 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 2:42 PM 89 2021 85 2 86  
MINIMUM 78 5:37 PM 67 1991 72 6 74  
AVERAGE 83 79 4 80  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.47 1995 0.10 MM 0.13  
MONTH TO DATE MM MM MM 0.33  
SINCE DEC 1 MM MM MM 0.33  
SINCE JAN 1 MM MM MM 37.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 14 4 15  
MONTH TO DATE 302 239 63 224  
SINCE DEC 1 302 239 63 224  
SINCE JAN 1 6317 5560 757 5942    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 14.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87  
LOWEST 63  
AVERAGE 75  
   
......................................................
 
 
THE HENRY E. ROHLSEN AP/ST CROIX CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 88 1998  
2019  
MINIMUM TEMPERATURE (F) 72 64 1996  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 6:43 AM AST SUNSET 5:48 PM AST  
DECEMBER 19 2023......SUNRISE 6:44 AM AST SUNSET 5:48 PM AST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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